./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_valuebound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_f03cce9f-a048-47b4-80d3-6fc024ce901b/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03cce9f-a048-47b4-80d3-6fc024ce901b/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03cce9f-a048-47b4-80d3-6fc024ce901b/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03cce9f-a048-47b4-80d3-6fc024ce901b/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03cce9f-a048-47b4-80d3-6fc024ce901b/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03cce9f-a048-47b4-80d3-6fc024ce901b/bin/ukojak-verify-i0I2FZA1j2 --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 8266a4ea95b9e4223f8b08ac8ccf14874ced037158e20412a04b64da93889ae0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:40:48,972 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:40:49,086 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03cce9f-a048-47b4-80d3-6fc024ce901b/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:40:49,096 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:40:49,097 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:40:49,132 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:40:49,134 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:40:49,135 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:40:49,136 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:40:49,141 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:40:49,142 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:40:49,143 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:40:49,143 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:40:49,145 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:40:49,145 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:40:49,146 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:40:49,146 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:40:49,147 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:40:49,147 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:40:49,148 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:40:49,148 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:40:49,149 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:40:49,149 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:40:49,150 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:40:49,151 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:40:49,151 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:40:49,152 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:40:49,152 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:40:49,153 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:40:49,153 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:40:49,154 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:40:49,155 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:40:49,155 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:40:49,155 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:40:49,155 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:40:49,156 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_f03cce9f-a048-47b4-80d3-6fc024ce901b/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03cce9f-a048-47b4-80d3-6fc024ce901b/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8266a4ea95b9e4223f8b08ac8ccf14874ced037158e20412a04b64da93889ae0 [2023-11-21 18:40:49,493 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:40:49,518 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:40:49,534 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:40:49,535 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:40:49,536 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:40:49,538 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03cce9f-a048-47b4-80d3-6fc024ce901b/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_valuebound20.c [2023-11-21 18:40:52,690 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:40:52,946 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:40:52,946 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03cce9f-a048-47b4-80d3-6fc024ce901b/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_valuebound20.c [2023-11-21 18:40:52,955 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03cce9f-a048-47b4-80d3-6fc024ce901b/bin/ukojak-verify-i0I2FZA1j2/data/27f4663e7/55b05d8fa8a54052a3f1d5d70dfb7915/FLAG49531ab10 [2023-11-21 18:40:52,972 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03cce9f-a048-47b4-80d3-6fc024ce901b/bin/ukojak-verify-i0I2FZA1j2/data/27f4663e7/55b05d8fa8a54052a3f1d5d70dfb7915 [2023-11-21 18:40:52,977 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:40:52,979 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:40:52,982 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:40:52,982 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:40:52,988 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:40:52,988 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:40:52" (1/1) ... [2023-11-21 18:40:52,989 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68a9c38e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:52, skipping insertion in model container [2023-11-21 18:40:52,990 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:40:52" (1/1) ... [2023-11-21 18:40:53,013 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:40:53,191 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:40:53,201 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:40:53,221 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:40:53,236 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:40:53,236 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:53 WrapperNode [2023-11-21 18:40:53,236 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:40:53,238 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:40:53,238 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:40:53,238 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:40:53,246 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:53" (1/1) ... [2023-11-21 18:40:53,253 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:53" (1/1) ... [2023-11-21 18:40:53,274 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 73 [2023-11-21 18:40:53,274 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:40:53,275 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:40:53,275 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:40:53,275 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:40:53,283 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:53" (1/1) ... [2023-11-21 18:40:53,284 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:53" (1/1) ... [2023-11-21 18:40:53,286 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:53" (1/1) ... [2023-11-21 18:40:53,286 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:53" (1/1) ... [2023-11-21 18:40:53,291 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:53" (1/1) ... [2023-11-21 18:40:53,295 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:53" (1/1) ... [2023-11-21 18:40:53,296 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:53" (1/1) ... [2023-11-21 18:40:53,297 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:53" (1/1) ... [2023-11-21 18:40:53,298 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:40:53,299 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:40:53,299 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:40:53,300 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:40:53,300 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:53" (1/1) ... [2023-11-21 18:40:53,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:40:53,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03cce9f-a048-47b4-80d3-6fc024ce901b/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:40:53,352 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03cce9f-a048-47b4-80d3-6fc024ce901b/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:40:53,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03cce9f-a048-47b4-80d3-6fc024ce901b/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:40:53,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:40:53,390 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:40:53,390 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:40:53,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:40:53,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:40:53,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:40:53,393 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:40:53,393 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:40:53,471 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:40:53,473 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:40:53,771 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:40:53,805 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:40:53,805 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:40:53,807 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:40:53 BoogieIcfgContainer [2023-11-21 18:40:53,807 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:40:53,808 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:40:53,808 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:40:53,819 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:40:53,820 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:40:53" (1/1) ... [2023-11-21 18:40:53,829 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:40:53,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:53,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 65 states and 70 transitions. [2023-11-21 18:40:53,888 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 70 transitions. [2023-11-21 18:40:53,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:40:53,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:53,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:54,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:54,052 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:40:54,058 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:54,211 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:40:54,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:54,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 67 states and 72 transitions. [2023-11-21 18:40:54,339 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 72 transitions. [2023-11-21 18:40:54,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:40:54,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:54,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:54,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:54,411 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:40:54,413 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:54,471 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:40:54,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:54,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 70 states and 77 transitions. [2023-11-21 18:40:54,735 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 77 transitions. [2023-11-21 18:40:54,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:40:54,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:54,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:54,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:54,776 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:40:54,778 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:54,822 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:40:54,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:54,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 72 states and 80 transitions. [2023-11-21 18:40:54,892 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 80 transitions. [2023-11-21 18:40:54,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:40:54,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:54,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:54,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:54,928 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:40:54,930 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:55,031 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:40:55,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:55,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 73 states and 82 transitions. [2023-11-21 18:40:55,291 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 82 transitions. [2023-11-21 18:40:55,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:40:55,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:55,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:55,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:55,328 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:40:55,330 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:55,394 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:40:55,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:55,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 79 states and 92 transitions. [2023-11-21 18:40:55,927 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 92 transitions. [2023-11-21 18:40:55,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:40:55,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:55,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:55,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:55,960 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:40:55,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:56,029 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:40:56,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:56,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 86 states and 104 transitions. [2023-11-21 18:40:56,800 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 104 transitions. [2023-11-21 18:40:56,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:40:56,803 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:56,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:56,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:56,851 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:56,853 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:56,895 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:40:57,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:57,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 87 states and 106 transitions. [2023-11-21 18:40:57,095 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 106 transitions. [2023-11-21 18:40:57,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:40:57,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:57,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:57,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:57,163 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:40:57,165 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:57,248 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:40:57,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:57,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 89 states and 109 transitions. [2023-11-21 18:40:57,390 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 109 transitions. [2023-11-21 18:40:57,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:40:57,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:57,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:57,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:57,454 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:40:57,456 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:57,559 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-21 18:40:58,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:58,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 103 states and 131 transitions. [2023-11-21 18:40:58,708 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 131 transitions. [2023-11-21 18:40:58,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:40:58,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:58,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:58,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:58,749 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:58,751 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:58,805 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:41:00,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:00,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 115 states and 152 transitions. [2023-11-21 18:41:00,050 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 152 transitions. [2023-11-21 18:41:00,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:41:00,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:00,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:00,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:00,101 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:41:00,103 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:00,258 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-21 18:41:01,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:01,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 125 states and 167 transitions. [2023-11-21 18:41:01,700 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 167 transitions. [2023-11-21 18:41:01,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:41:01,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:01,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:01,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:01,753 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:01,762 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:01,802 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:41:02,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:02,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 135 states and 183 transitions. [2023-11-21 18:41:02,768 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 183 transitions. [2023-11-21 18:41:02,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:41:02,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:02,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:02,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:02,799 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:02,801 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:02,864 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:41:04,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:04,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 148 states and 205 transitions. [2023-11-21 18:41:04,032 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 205 transitions. [2023-11-21 18:41:04,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:41:04,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:04,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:04,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:04,083 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:04,086 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:04,227 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:41:05,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:05,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 153 states and 217 transitions. [2023-11-21 18:41:05,160 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 217 transitions. [2023-11-21 18:41:05,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:41:05,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:05,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:05,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:05,200 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:05,202 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:05,311 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:41:09,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:09,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 158 states and 228 transitions. [2023-11-21 18:41:09,284 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 228 transitions. [2023-11-21 18:41:09,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:41:09,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:09,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:09,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:09,315 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:09,316 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:09,648 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:41:13,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:13,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 164 states and 241 transitions. [2023-11-21 18:41:13,225 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 241 transitions. [2023-11-21 18:41:13,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:41:13,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:13,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:13,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:13,254 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:13,256 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:13,524 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:41:18,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:18,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 170 states and 253 transitions. [2023-11-21 18:41:18,963 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 253 transitions. [2023-11-21 18:41:18,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:41:18,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:18,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:18,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:18,992 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:41:18,994 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:21,928 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:41:33,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:33,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 177 states and 268 transitions. [2023-11-21 18:41:33,473 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 268 transitions. [2023-11-21 18:41:33,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:41:33,474 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:33,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:33,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:33,505 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:33,506 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:33,541 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:41:33,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:33,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 176 states and 267 transitions. [2023-11-21 18:41:33,591 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 267 transitions. [2023-11-21 18:41:33,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:41:33,592 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:33,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:33,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:33,623 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:41:33,624 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:36,150 WARN L876 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_~x~0#1_54| Int) (|ULTIMATE.start_main_~z~0#1| Int)) (let ((.cse0 (* |v_ULTIMATE.start_main_~x~0#1_54| |ULTIMATE.start_main_~z~0#1|))) (and (<= (+ |v_ULTIMATE.start_main_~x~0#1_54| |c_ULTIMATE.start_main_~x~0#1|) .cse0) (<= 1 |v_ULTIMATE.start_main_~x~0#1_54|) (<= .cse0 9223372036854775807)))) is different from true [2023-11-21 18:41:36,169 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.